Submission #1083424

# Submission time Handle Problem Language Result Execution time Memory
1083424 2024-09-03T05:49:43 Z dong_gas Gap (APIO16_gap) C++17
66.4578 / 100
64 ms 4424 KB
#include <bits/stdc++.h>

#include "gap.h"

using namespace std;
using ll = long long;
using pll = pair<ll, ll>;

ll a[100201];
ll l[100201], r[100201];
pll b[100201];
const ll inf = 1'000'000'000'000'000'000;

ll findGap(int T, int n) {
    if (T == 1) {
        ll L = 1, R = n, mn, mx;
        ll low = 0, high = 1e18;
        while (L < R) {
            MinMax(low, high, &mn, &mx);
            a[L++] = mn, a[R--] = mx;
            low = mn + 1, high = mx - 1;
        }
        if (L == R) {
            MinMax(low, high, &mn, &mx);
            a[L] = mn;
        }
        ll ret = 0;
        for (int i = 2; i <= n; i++) ret = max(ret, a[i] - a[i - 1]);
        return ret;
    }
    ll mn, mx, ret = 0;
    MinMax(0, inf, &mn, &mx);
    a[1] = mn, a[n] = mx;
    if (n == 2) {
        return mx - mn;
    }
    ll gap = (mx - mn) / (n - 1);
    for (ll i = a[1], cnt = 1; cnt < n; i += gap, cnt++) {
        l[cnt] = i, r[cnt] = i + gap - 1;
        if (cnt + 1 == n) r[cnt] = a[n];
    }
    for (int i = 1; i < n; i++) {
        MinMax(l[i], r[i], &mn, &mx);
        b[i] = {mn, mx};
    }
    ll bef = -1;
    for (int i = 1; i < n; i++) {
        if (b[i].first == -1) continue;
        if (bef != -1) {
            MinMax(bef, b[i].first, &mn, &mx);
            ret = max(ret, mx - mn);
        }
        bef = b[i].second;
    }
    return ret;
}
# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 6 ms 856 KB Output is correct
17 Correct 7 ms 856 KB Output is correct
18 Correct 7 ms 856 KB Output is correct
19 Correct 7 ms 644 KB Output is correct
20 Correct 5 ms 856 KB Output is correct
21 Correct 34 ms 1872 KB Output is correct
22 Correct 27 ms 1880 KB Output is correct
23 Correct 27 ms 1872 KB Output is correct
24 Correct 26 ms 1840 KB Output is correct
25 Correct 23 ms 1880 KB Output is correct
26 Correct 25 ms 1880 KB Output is correct
27 Correct 37 ms 1796 KB Output is correct
28 Correct 27 ms 1872 KB Output is correct
29 Correct 41 ms 1880 KB Output is correct
30 Correct 20 ms 1880 KB Output is correct
31 Correct 0 ms 344 KB Output is correct
32 Correct 0 ms 344 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Partially correct 1 ms 344 KB Partially correct
3 Partially correct 0 ms 344 KB Partially correct
4 Partially correct 1 ms 344 KB Partially correct
5 Partially correct 0 ms 344 KB Partially correct
6 Partially correct 1 ms 344 KB Partially correct
7 Partially correct 0 ms 344 KB Partially correct
8 Partially correct 0 ms 344 KB Partially correct
9 Partially correct 0 ms 344 KB Partially correct
10 Partially correct 0 ms 344 KB Partially correct
11 Partially correct 1 ms 344 KB Partially correct
12 Partially correct 1 ms 344 KB Partially correct
13 Partially correct 1 ms 344 KB Partially correct
14 Partially correct 1 ms 344 KB Partially correct
15 Partially correct 1 ms 344 KB Partially correct
16 Partially correct 13 ms 1368 KB Partially correct
17 Partially correct 15 ms 1368 KB Partially correct
18 Partially correct 15 ms 1368 KB Partially correct
19 Partially correct 13 ms 1368 KB Partially correct
20 Partially correct 6 ms 1368 KB Partially correct
21 Partially correct 64 ms 4424 KB Partially correct
22 Partially correct 62 ms 4176 KB Partially correct
23 Partially correct 56 ms 4176 KB Partially correct
24 Partially correct 64 ms 4156 KB Partially correct
25 Partially correct 64 ms 4360 KB Partially correct
26 Partially correct 54 ms 4336 KB Partially correct
27 Partially correct 61 ms 4316 KB Partially correct
28 Partially correct 55 ms 4176 KB Partially correct
29 Partially correct 55 ms 4176 KB Partially correct
30 Partially correct 24 ms 4176 KB Partially correct
31 Partially correct 0 ms 344 KB Partially correct
32 Partially correct 0 ms 344 KB Partially correct